387662879 has 8 divisors (see below), whose sum is σ = 390402000. Its totient is φ = 384933312.

The previous prime is 387662867. The next prime is 387662887. The reversal of 387662879 is 978266783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387662879 - 2¹² = 387658783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387662809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91592 + ... + 95730.

It is an arithmetic number, because the mean of its divisors is an integer number (48800250).

Almost surely, 2^387662879 is an apocalyptic number.

387662879 is a deficient number, since it is larger than the sum of its proper divisors (2739121).

387662879 is a wasteful number, since it uses less digits than its factorization.

387662879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777.

The product of its digits is 6096384, while the sum is 56.

The square root of 387662879 is about 19689.1563811150. The cubic root of 387662879 is about 729.1520014872.

The spelling of 387662879 in words is "three hundred eighty-seven million, six hundred sixty-two thousand, eight hundred seventy-nine".